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Presentation: Scalable Event Analytics with MongoDB & Ruby on Rails

We’ve already seen the analytics MongoDB case study before when looking how Eventbrite is tracking page views with MongoDB, but also in a MongoDB-based real time web traffic visualization tool called Hummingbird.

But Jared Rosoff’s presentation contains a series of slides which are identifying possible issues in each scaling approach:

  • single database
  • master-slave database
  • sharded database
  • key-value stores
  • key-value store with Hadoop for reporting
  • MongoDB

The only part I don’t really understand is how is using Hadoop

more complex than scaling MongoDB:

Maybe someone could explain?

Meanwhile, Jared Rosoff’s complete slidedeck below.